In the Debye model: (a) Starting from the general form of the density of states g(k)dk Debye frequency in terms of the speed of sound v and density N/ = (b) Show that the heat capacity at low temperatures is C = Nk (c) What is the heat capacity at high termperatures? Vk?dk 2π² (125+ (7) ³. find the
In the Debye model: (a) Starting from the general form of the density of states g(k)dk Debye frequency in terms of the speed of sound v and density N/ = (b) Show that the heat capacity at low temperatures is C = Nk (c) What is the heat capacity at high termperatures? Vk?dk 2π² (125+ (7) ³. find the
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Transcribed Image Text:In the Debye model:
(a) Starting from the general form of the density of states g(k)dk
Debye frequency in terms of the speed of sound v and density N/
=
(b) Show that the heat capacity at low temperatures is C = Nk
(c) What is the heat capacity at high termperatures?
Vk?dk
2π²
(125+ (7) ³.
find the
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